VANGUARD INSTITUTIONAL INDEX FUNDS

VANGUARD INSTITUTIONAL INDEX FUNDS (CIK 862084) is an SEC-registered fund company with 4 reporting fund series and $353.3B in net assets as of 2026-03-31.

Registrant

Fund series (4)

SeriesNet assets
VANGUARD INSTITUTIONAL INDEX FUND$315.5B
VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND$30.3B
VANGUARD 0-3 MONTH TREASURY BILL ETF$6.7B
VANGUARD ULTRA-SHORT TREASURY ETF$898.4M

Largest reported holdings (across all series)

HoldingValue
NVIDIA Corp$1.9B
Apple Inc$1.8B
Microsoft Corp$1.3B
Amazon.com Inc$969.0M
Alphabet Inc$805.2M
Broadcom Inc$706.7M
Alphabet Inc$639.5M
Meta Platforms Inc$602.7M
Tesla Inc$503.9M
Berkshire Hathaway Inc$401.0M
Eli Lilly & Co$376.1M
JPMorgan Chase & Co$360.3M
Exxon Mobil Corp$340.4M
Johnson & Johnson$283.6M
Walmart Inc$262.4M

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